Adding Decimal Numbers

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

The place value right after the decimal is called the __________.

• tens

• tenths

• thousands

• hundrenths

The process of changing groups of ones to tens in adding and subtracting is called

• separating

• distributing

• regrouping

• dividing

0.73 + 0.02

• 0.75

• 0.93

• 0.732

• 1.03

The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours

• 30 hours

• 31 miles

• 31.8 hours

Lia and James went to the movies. The tickets are $3.00 each.  Lia bought popcorn and a slushy for $8.50 together. James bought a slushy and nachos $12.00 together. How much money did they spend total?

• 26.50

• 2.650

• 3.00

• 53.65

Allison worked 7.45 hr on Monday and 5.21 hr on Friday. How many total hours did she work?

• 12.66

• 13.56

• 12.49

• 13.59

The tables shows the number of hours five employees at Frosty Treat Ice-Cream Shop worked in a week. What is the difference between the number of hours Danny and Carmen worked?

• 208.3 hours

• 55.35 hours

• 20.83 hours

• 21.06 hours

Daniel ran a distance of 3.5 miles on Saturday and then 3.212 miles on Sunday. How many miles did Daniel run in all?

Last week, 4.3 inches of rain filled a rain gauge. This week, another 3.375 inches of rain filled the gauge.

What was the total amount of rain that filled the rain gauge in two weeks?

• 7.375 in

• 1.075 in

• 7.675 in

• 7.7 in